Finding the Fourth Proportional to 468,023,135.20, 702,034,702.80 and 331,974,239.20
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Solution
The fourth proportional to 468,023,135.20, 702,034,702.80 and 331,974,239.20 is: 497,961,358.80
Step by Step Solution
- Step 1: Write the proportion equation
468,023,135.20 : 702,034,702.80 = 331,974,239.20 : x - Step 2: Convert to fraction form
468,023,135.20/702,034,702.80 = 331,974,239.20/x - Step 3: Cross multiply
468,023,135.20x = 702,034,702.80 × 331,974,239.20 - Step 4: Simplify right side
468,023,135.20x = 233,057,436,354,028,096 - Step 5: Solve for x
x = 233,057,436,354,028,096/468,023,135.20 - Step 6: Final answer
x = 497,961,358.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.